Scale AI Stock

Scale is an API for training data, providing access to human-powered data for a multitude of use cases.

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Notable Investors

Index Ventures


San Francisco CA, US

Total Funding


About Scale AI Stock

Scale AI is a data-labeling startup that specializes in helping companies label and curate data for artificial intelligence applications. Scale AI's LiDAR, image, video and NLP annotation APIs allow machine learning teams at companies like OpenAI, Lyft, Pinterest, and Airbnb focus on building differentiated models vs. labeling data.

Scale AI was founded in 2013 by Alex Wang and Lucy Guo and is headquartered in San Francisco, California. Notable investors include Accel, Index Ventures, Founders Fund, Tiger Global Management, Dragoneer Investment Group, and Greenoaks Capital.


Funding History

August 2016$100K
August 2016$100K
August 2016$4.5M
May 2018$18.0M
July 2019$101M
October 2020$155M
April 2021$325M


CEO & Co-Founder

Alexandr Wang

Chief Technology Officer

Brad Porter


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